/* Eliot                                                       */
/* Copyright (C) 1999  Antoine Fraboulet                             */
/* antoine.fraboulet@free.fr                                       */
/*                                                            */
/* This program is free software; you can redistribute it and/or modify    */
/* it under the terms of the GNU General Public License as published by    */
/* the Free Software Foundation; either version 2 of the License, or       */
/* (at your option) any later version.                               */
/*                                                            */
/* This program is distributed in the hope that it will be useful,        */
/* but WITHOUT ANY WARRANTY; without even the implied warranty of         */
/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          */
/* GNU General Public License for more details.                        */
/*                                                            */
/* You should have received a copy of the GNU General Public License       */
/* along with this program; if not, write to the Free Software            */
/* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

/* $Id: rack.c 3 2004-03-16 11:40:56Z philippe $ */

#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#include "tiles.h"
#include "rack.h"

struct track {
    int tiles[TILES_NUMBER];
    int ntiles;
};

Rack 
Rack_create(void)
{
    Rack r;
    r = (Rack)malloc(sizeof(struct track));
    if (r) {
       Rack_init(r);
    }
    return r;
}


void 
Rack_init(Rack r)
{
    memset(r,0,sizeof(struct track));
}


void 
Rack_destroy(Rack r)
{
    if (r) {
        free(r);
    }
}


void
Rack_copy(Rack dest, Rack source)
{
    memcpy(dest,source,sizeof(struct track));
}


int 
Rack_empty(Rack r)
{
    return r->ntiles == 0;
}


int
Rack_ntiles(Rack r)
{
    return r->ntiles;
}


int
Rack_in(Rack rack, tile_t tile)
{
    return rack->tiles[tile];
}


void
Rack_remove(Rack rack, tile_t tile)
{
    rack->tiles[tile]--;
    rack->ntiles --;
}


void
Rack_add(Rack rack, tile_t tile)
{
    rack->tiles[tile]++;
    rack->ntiles ++;
}